3D printer alignment indicator



FIG. 1 is a perspective view of the 3D printer alignment indicator in use;

FIG. 2 is an elevation view of the 3D printer alignment indicator; and,

FIG. 3 is a top view of the 3D printer alignment indicator.

The broken lines in the drawings are included for the purpose of showing environmental matter that forms no part of the claimed design. 

CLAIM The ornamental design for a 3D printer alignment indicator, as shown and described. 